18080205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8429}}^1$

素因数の和:8461

約数の個数: 32

約数和(自身を含む): 33989760

約数和(自身を除く): 15909555

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 8429, 25287, 42145, 92719, 109577, 126435, 278157, 328731, 463595, 547885, 1205347, 1390785, 1643655, 3616041, 6026735, 18080205]

約数ペア:

[(1, 18080205), (3, 6026735), (5, 3616041), (11, 1643655), (13, 1390785), (15, 1205347), (33, 547885), (39, 463595), (55, 328731), (65, 278157), (143, 126435), (165, 109577), (195, 92719), (429, 42145), (715, 25287), (2145, 8429)]